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2 years ago

PWhat are the x- and y-intercepts of the line y = 4x + 12?

Mathematics

1 answer:

sashaice [31]2 years ago

4 0

Answer:

Step-by-step explanation:

when x is 0 y=4(0)+12 y=12

y is 0 y=4(-3) +12 = 12=12

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Your friend is about to begin an introductory chemistry course at his university. The course has collected data from students on

Minchanka [31]

Answer:

<em>The percentage of students sudy 34 hours or more is 0.62%</em>

Step-by-step explanation:

<u>The Normal Distribution</u>

The bell curve or normal distribution is frequently used to model the probability of natural random events. The normal distribution $N(\mu,\sigma)$ is characterized by two parameters:

$\mu$ is the mean value

$\sigma$ is the standard deviation

The study times in hours for the final exam is modeled as a normal distribution N(24,4). We are required to find the percentage of students study 34 hours or more, or P(X>34).

The values for the cumulative probability are given by tables or digital means like Excel where we can get the left-tail or P(X<Xo). To compute the right-tail or P(X>Xo) we use this relation

$P(X>Xo) =1-P(X$

The Excel formula to find the left-tail cumulative probability is called

NORM.DIST(x,mean,standard_dev,cumulative)

To solve the question, we used:

NORM.DIST(34,24,4,TRUE)=0.9938

Thus:

$P(X>34) =1-P(X$

The percentage of students study 34 hours or more is 0.62%

6 0

3 years ago

robert brought a used car for $15,00.00 if the sales tax is 5% what will be the total that robert had to pay for the car

8_murik_8 [283]

15,000 x .05 = 750
750 + 15,000 = 15,750
$15,750 is the total Robert paid for the used car.

7 0

3 years ago

Read 2 more answers

A baseball player's batting average is found by dividing the number of hits by the number of at-bats and rounding the result to

UkoKoshka [18]

Answer:

0.39855072463

Step-by-step explanation:

3 0

4 years ago

I’ll give you a brain list !

Juli2301 [7.4K]

Answer:

See explanation

Step-by-step explanation:

Given that 9 cups of macaroni requires 27 cups of water

Therefore, 1 cup of macaroni will require 27/9 = 3 cups of water

Now i can help you to work out the correct way of filling the table;

If 1 cup of macaroni requires 3 cups of water

x cups of macaroni will require 9 cups of water

x = 9 *1/3

x = 3 cups of macaroni

If 1 cup of macaroni requires 3 cups of water

x cups of macaroni will require 33cups of water

x = 33 *1/3

x = 11 cups of macaroni

If 1 cup of macaroni requires 3 cups of water

x cups of macaroni will require 21 cups of water

x = 21 *1/3

x = 7 cups of macaroni

If 1 cup of macaroni requires 3 cups of water

x cups of macaroni will require 27 cups of water

x = 27 *1/3

x = 9 cups of macaroni

Use this to tick the table.

4 0

3 years ago

How to do the problem

charle [14.2K]

Answer:

the answer is 10n-13

Step-by-step explanation:

this is a one step problem, all you need to do is add all the like terms together such as n and 9n and since they are both positives they add up to 10n and then with -10 and -3 they would add together to make -13. thats all there is to it, the answer is 10n-13

7 0

3 years ago

Read 2 more answers